WASHINGTON (CNN) -- Samuel Alito was sworn in [earlier today] as the nation's 110th Supreme Court justice Tuesday after being confirmed by the Senate by a vote of 58-42. The vote was the closest confirmation for a nominee since Justice Clarence Thomas was confirmed 52-48 in 1991.The confirmation vote came a day after an attempt by some Democratic senators to block his nomination fizzled. Alito was sworn in at the Supreme Court, just hours before President Bush's State of the Union address. More. . . [Mark Godsey]